Spool back is a term used in the winding and rewinding of materials. Winding is the process of wrapping material around a spool, while rewinding is the process of unwrapping the material from the spool. The crossword solutions for the term spool back are WIND (4 letters) and rewind (6 letters). Winding and rewinding are important processes in many industries, such as textiles, printing, and film production.